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DOT/FAA RIN: 2120-AL11 Publication ID: Spring 2022 
Title: Decompression Criteria for Interior Compartments 
Abstract: This rulemaking would revise its standards for pressurized compartment loads such that partitions located immediately adjacent to a decompression hole need not be designed to withstand certain decompression conditions. This rulemaking is necessary because, in some cases, it is not practical to design partitions in certain airplane compartments to withstand a large decompression event that occurs within that compartment. Even though individual partition failure is allowed, continued safe flight and landing is still required. 
Agency: Department of Transportation(DOT)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 14 CFR 25   
Legal Authority: 49 U.S.C. 106(f)    49 U.S.C. 106(g)    49 U.S.C. 40113    49 U.S.C. 44701    49 U.S.C. 44702    49 U.S.C. 44704   
Legal Deadline:  None
Action Date FR Cite
NPRM  05/15/2019  84 FR 21733   
NPRM Comment Period End  06/15/2019 
Final Rule  03/00/2023 
Additional Information: This action is deregulatory.
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Undetermined 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL:   Public Comment URL:  
RIN Data Printed in the FR: No 
Agency Contact:
Todd Martin
Aircraft Certification Service
Department of Transportation
Federal Aviation Administration
2200 S 216th Street,
Des Moines, WA 98198
Phone:206 231-3210